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TI-2018-04046 Aliases CVE-2018-5541GHSA-r9ff-j36c-4rfp

Uncontrolled resource consumption in F5 BIG-IP

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.

Why it matters now

EPSS 0.01817 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP (ASM)13.0.0-13.1.0.1; 12.1.0-12.1.3.5; 11.6.0-11.6.3.1; 11.5.1-11.5.6—No fix listedCNA
  • BIG-IP (ASM) VendorF5 Affected 13.0.0-13.1.0.1; 12.1.0-12.1.3.5; 11.6.0-11.6.3.1; 11.5.1-11.5.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*11.5.1 – 11.5.5; 11.6.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 11.5.1 – 11.5.5; 11.6.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.0 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5541
  2. 2026-10-03 Alias added: GHSA-r9ff-j36c-4rfp

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
See all 580 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences